/home/marsyas/marsyas/src/marsyas/Peaker.h

/*
** Copyright (C) 1998-2006 George Tzanetakis <gtzan@cs.uvic.ca>
**  
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
** 
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
** GNU General Public License for more details.
** 
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software 
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/

#ifndef MARSYAS_PEAKER_H
#define MARSYAS_PEAKER_H

#include "MarSystem.h"  

namespace Marsyas
{
class Peaker: public MarSystem
{
private:
  mrs_real rms_,
            max_,
            lpCoeff_,
            currThresh_;

  mrs_realvec lpThresh_;

  void addControls();
  void myUpdate(MarControlPtr sender);

  mrs_bool doThresholding (mrs_real input, mrs_real peakStrengthRelRms, mrs_real peakStrengthRelMax, mrs_real peakStrengthRelThresh, mrs_real peakStrengthAbs);
  void compLpThresh (const mrs_realvec input, mrs_realvec &output);

  mrs_natural twice_;
  mrs_natural half_;
  mrs_natural triple_;
  mrs_natural third_;
  
public:
  Peaker(std::string name);
  ~Peaker();
  MarSystem* clone() const;    

  void myProcess(realvec& in, realvec& out);
};

}//namespace Marsyas

#endif

    

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